Riso Executive and Leadership Team

November, 2026

Leadership Overview

Riso has 4 executives leading key functions including corporate strategy, global manufacturing, operational oversight, and regional market expansion.

Focused on delivering unique paper communication solutions, Riso maintains a commitment to creating fundamentally distinct printing technologies that transform office productivity and industrial printing standards across global markets.

Leadership Roles at Riso

  • President & Chief Executive Officer - Kenji Oshima
  • President & Chief Executive Officer - Akira Hayama
  • President - Nathan Riso
  • President - Minoru Nakashima
  • Kenji Oshima - President & Chief Executive Officer

    Kenji Oshima, the President & Chief Executive Officer at Riso, directs the overarching corporate strategy and long-term vision for the organization. Oshima manages the development of unique printing technologies, ensuring that the company maintains a competitive edge in the paper communication field. By overseeing the transition from office supplies to advanced printer manufacturing, the President & Chief Executive Officer aligns internal research initiatives with evolving market demands. Kenji Oshima drives the expansion of manufacturing capabilities across international territories, focusing on high-efficiency production models. This leadership role involves constant collaboration with the board to secure sustainable growth and technological innovation. Through rigorous oversight of product development cycles, the President & Chief Executive Officer ensures that every output meets the high standards of the Riso brand. Ultimately, Oshima secures the company's position as a leader in the global printing industry by prioritizing unique, value-added solutions for diverse client bases.

    Akira Hayama - President & Chief Executive Officer

    Akira Hayama, the President & Chief Executive Officer at Riso, manages the operational execution of the company's global business model. Hayama focuses on the optimization of supply chain logistics and the integration of new ink manufacturing processes into existing printer lines. By directing the operational teams, the President & Chief Executive Officer ensures that manufacturing facilities maintain peak efficiency while adhering to strict quality control protocols. Akira Hayama oversees the implementation of regional market strategies, specifically targeting growth in emerging economies where paper communication needs are rapidly shifting. This leadership role requires constant coordination with engineering departments to refine product performance and reliability. Through the strategic allocation of resources, the President & Chief Executive Officer supports the company's mission to provide fundamentally unique products. Hayama drives operational excellence, ensuring that the organization remains agile and responsive to the complex requirements of the modern printing landscape.

    Nathan Riso - President

    Nathan Riso, the President at Riso, oversees the commercialization of new printing technologies and the expansion of the company's footprint in Western markets. Riso directs the sales and marketing divisions, ensuring that the unique value proposition of the company's printer lineup reaches key enterprise clients. By managing the alignment between product development and customer feedback, the President ensures that the company's offerings remain relevant in a digital-first environment. Nathan Riso drives initiatives to modernize the brand's presence, focusing on high-volume printing solutions that reduce operational costs for end-users. This leadership role involves frequent engagement with regional stakeholders to identify new business opportunities and partnership avenues. Through the strategic management of commercial operations, the President supports the company's transition toward becoming a premier manufacturer of specialized printing hardware. Riso secures long-term market stability by fostering strong relationships with distributors and enterprise partners across the globe.
    Nathan Riso

    Minoru Nakashima - President

    Minoru Nakashima, the President at Riso, manages the internal infrastructure and administrative frameworks that support the company's manufacturing operations. Nakashima oversees the integration of sustainable practices within the production cycle, ensuring that the development of ink and printing hardware aligns with environmental standards. By directing the administrative and human resources functions, the President ensures that the organization maintains a highly skilled workforce capable of executing complex engineering tasks. Minoru Nakashima drives the implementation of digital transformation projects that streamline internal communication and project management across the company's global offices. This leadership role involves coordinating with the executive team to ensure that operational policies support the broader mission of creating unique products. Through the careful management of corporate resources, the President supports the company's growth and efficiency goals. Nakashima secures the operational foundation necessary for the company to continue its legacy of innovation in the paper communication sector.
    Minoru Nakashima

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    Frequently Asked Questions Regarding Riso Top Executives and Leadership Team

    Who leads Riso?
    Riso is led by Kenji Oshima (President & Chief Executive Officer), along with executives such as Akira Hayama (President & Chief Executive Officer) and Nathan Riso (President).
    Who is part of Riso’s executive team?
    The executive team of Riso includes leaders such as Kenji Oshima (President & Chief Executive Officer), Akira Hayama (President & Chief Executive Officer), Nathan Riso (President) and other senior executives.
    How many executives does Riso have?
    Riso has 4 executives leading key business areas.
    What roles are included in Riso’s leadership team?
    The leadership team of Riso includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, President, President.